Blog
Development, infrastructure, SEO, AI and IT for business — short and to the point.
1495 articles
- IT for business3 min
Technical Debt Explained for Non-Technical Founders
Technical debt is shortcuts in code taken for speed; like a loan, it is useful within limits, but if it is never repaid, every new feature takes longer and costs more.
Basics - Web development4 min
Website Speed Optimization Checklist for Developers
Measure first (Lighthouse plus field Core Web Vitals data), then work through server response, network, images, JS, CSS, fonts and third-party scripts, re-measuring after every change.
Practice - SEO4 min
What Is Thin Content and How to Fix It
Thin content is pages that give the user almost nothing: empty tag pages, doorway pages, bare product cards, copied text. You find them in indexing reports and decide per page whether to merge, expand, noindex or delete.
Basics - DevOps4 min
The Twelve-Factor App: Principles for Deployable Applications
The Twelve-Factor App is a set of twelve rules that let an app run the same way in any environment: one codebase, config in environment variables, stateless processes, logs to stdout and minimal differences between dev and prod.
Basics - AI & automation3 min
Transformer Architecture Explained: Attention in Plain Words
A transformer processes the whole text at once and, for each word, uses attention to decide which other words to rely on; it trains faster and keeps context better than RNNs.
Basics - Programming4 min
Unit vs Integration vs E2E Tests: What's the Difference
A unit test checks one function in isolation, an integration test checks parts working together, and an E2E test runs a full user journey; pick the mix based on where your project actually breaks.
Basics - Marketing & analytics3 min
What Is Programmatic Advertising: DSP, SSP and RTB Explained
Programmatic is automated buying of ad impressions across thousands of sites and apps through real-time auctions: advertisers buy via a DSP, publishers sell via an SSP, and each decision takes a fraction of a second.
Basics - E-commerce & CRM4 min
What Is PCI DSS and What It Means for Your Online Store
PCI DSS is the mandatory card data security standard for anyone who accepts cards; a store that sends card entry to its payment provider's page and only works with tokens keeps its obligations to a minimum.
Basics - Tools & no-code4 min
Zapier for Beginners: How to Build Your First Zap
A Zap is a trigger plus one or more actions: an event in one app runs steps in others, and you mostly pay for successful actions (tasks), so filter out unwanted runs as early as possible.
Practice - IT by industry3 min
How Salons Bring Clients Back With Automated Reminders
A salon brings clients back when its CRM reminds them about the next visit right when a service "wears off", runs a separate flow for those who have not come in a while, and regularly measures what share of clients returned.
Practice - IT for business3 min
Technical Due Diligence: What Investors Check in a Startup
Investors check whether the product can scale and whether it hides risks: code and architecture quality, security, clean ownership of the code, dependence on key people and documentation.
Advanced - Web development4 min
How to Make a Website Contact Form Send Emails Reliably
A reliable form first saves the lead (database, CRM or Telegram) and only then sends an email through a transactional service from a domain with SPF, DKIM and DMARC; a honeypot and rate limits stop most spam.
Practice - SEO3 min
How to Write Title and Description Tags That Get Clicks
A title should be short, lead with the query and promise a concrete benefit; a description should state the answer or offer and invite the click. Accurate tags are rewritten by search engines less often.
Practice - DevOps4 min
What Is a Service Mesh: Istio, Linkerd and When You Need One
A service mesh is an infrastructure layer of proxies that handles service-to-service traffic for you, adding mTLS, retries, traffic splitting and telemetry without code changes; it pays off with many services and strict security needs, and is usually overkill for a small team.
Basics - AI & automation3 min
Uzbek Speech Recognition: Options, Accuracy and Pitfalls
Uzbek speech is handled by cloud APIs, open models and local providers; choose by WER on your own call recordings, and test mixed Russian-Uzbek speech separately.
Practice - Programming5 min
Uzbek Latin–Cyrillic Transliteration in Code: Rules and Pitfalls
Uzbek Latin converts reliably to Cyrillic with a lookup table that checks two-character combinations first, once all apostrophes are normalized to one character; the reverse direction loses information (ц, ъ after ў), so store a normalized key for search.
Practice - Marketing & analytics4 min
What Is Retargeting and How It Brings Visitors Back
Retargeting means showing ads to people who have already visited your site or app: a pixel records their actions, the ad platform builds an audience from them and follows it with ads that remind them of a product or an unfinished request.
Basics - E-commerce & CRM4 min
What Is a PIM System and When an Online Store Needs One
A PIM is a central store of product content that automatically feeds descriptions, images and attributes to every sales channel; you need one when products and channels multiply to the point where editing listings by hand slows sales down.
Basics - Tools & no-code5 min
Zapier vs Make vs n8n: Comparing Automation Platforms
Zapier is the simplest and has the largest catalog of ready integrations, Make gives a visual canvas for complex scenarios at a lower cost per step, and n8n can be self-hosted for full control over data and code; the right choice depends on logic complexity, run volume and where your data must live.
Basics - IT by industry4 min
How to Calculate Stylist Commissions Automatically
Stylist pay is calculated automatically when every service and sale goes through the system as a closed visit, and the pay scheme — percentage, fixed, tiers, material deductions and bonuses — is set as rules for each stylist.
Practice - IT for business3 min
Common Mistakes in Technical Specifications and How to Fix Them
Most spec problems come down to one thing — a requirement that cannot be verified. The fix is concrete wording, described edge cases and acceptance criteria for every feature.
Practice - Web development4 min
WebSockets vs Server-Sent Events vs Polling for Real-Time Apps
Use WebSockets for two-way exchange (chats, collaborative editing, games), SSE for server-only event streams (notifications, dashboards, AI response streaming), and keep polling as a simple fallback.
Advanced - SEO3 min
Topical Authority: Building Content Clusters and Pillar Pages
Topical authority comes from covering a topic completely and coherently: one pillar page answers the main question, cluster articles go deep on subtopics, and internal links show search engines the structure.
Advanced - DevOps4 min
What Is Ansible: Agentless Server Configuration Explained
Ansible is an automation tool that runs YAML-described tasks on servers over SSH; nothing has to be installed on the servers, and re-running it is safe thanks to idempotency.
Basics
Have an idea or a task? Tell us about it
We'll reply within one business day and propose a solution. The consultation is free.